Struct Channel 

pub struct Channel { /* private fields */ }

Basic channel.

Channel is an entity that has a name and could be read, written or subscribed to.

Implementations

impl Channel

pub fn new(ctx: &Context, name: &CStr) -> Result<Self, Error>

Create channel without waiting for connection.

pub fn connected(&mut self) -> Connect<'_>

Wait for channel become connected.

pub fn context(&self) -> &Context

Context of the channel.

pub fn raw(&self) -> chanId

Raw channed identifier.

pub fn name(&self) -> &CStr

Channel name.

pub fn field_type(&self) -> Result<FieldId, Error>

Channel field type.

pub fn element_count(&self) -> Result<usize, Error>

Number of elements in the channel.

pub fn host_name(&self) -> Result<&CStr, Error>

Name of the host which serves the channel.

impl Channel

pub fn put_ref<R: WriteRequest + ?Sized>( &mut self, req: &R, ) -> Result<Put<'_>, Error>

Make write request by reference.

pub fn get_with<F: Callback>(&mut self, func: F) -> Get<'_, F>

Make read request and call closure when it’s done, successfully or not.

pub fn subscribe_with<F: Queue>(&mut self, func: F) -> Subscription<'_, F>

Subscribe to channel updates and call closure each time when update occured.

impl Channel

pub fn into_typed<V: Value + ?Sized>( self, ) -> Result<TypedChannel<V>, (Error, Self)>

Convert into TypedChannel.

Conversion is successful if actual channel type matches the one passed as a parameter V.

Trait Implementations

impl Debug for Channel

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Drop for Channel

fn drop(&mut self)

Executes the destructor for this type.

impl<V: Value + ?Sized> From<TypedChannel<V>> for Channel

fn from(original: TypedChannel<V>) -> Self

Converts to this type from the input type.

impl Send for Channel

where Context: Send,